Francis has a lot of "firsts" and "first since..."
-- First pope from the Western Hemisphere
-- First pope born outside of what was once the Roman Empire
-- First non-European pope since Gregory III (years 731-741), who was from Syria
-- First Jesuit pope
-- First pope who is a consecrated religious since Gregory XVI (years 1831-1846)
-- First pope to take an unused name since Lando (years 913-914), not counting new names composed of papal names already used (e.g. John Paul)